30320 bearing dimensions & suffix variants
Look up recorded dimensions for designations beginning with 30320. The table retains complete manufacturer designations so special suffixes and different dimensional variants remain visible.
On this page5 sections ⌄
Find by measured dimensions
Enter bore d, outside diameter D and width B. Use decimals or inch fractions such as 1/2 or 1 1/4.
30320 dimensions and recorded technical data
The recorded 30320 base designation measures 100×215×47 mm (inside diameter d × outside diameter D × width B). This answer uses unsuffixed records from KOYO. It does not assign the same dimensions or operating ratings to every suffix.
The numeric series boundary is preserved: a longer number is not included merely because its first digits match. 9 recorded variants are listed. A dash means the value is missing, not zero.
Read the original dimensions for 30320
Boundary size alone does not describe every ring, shoulder or assembled unit. These tables retain the recorded manufacturer labels, symbols, units and limits for each complete marking. Expand a record to check its detailed measurements.
Important: an approximate value, a minimum or a maximum keeps that qualifier. These reference extracts are not CAD drawings, fit recommendations or replacement approvals.
KOYO 30320 — 5 dimension fields
Tapered roller bearing. Source: JTEKT / Koyo product catalogue; recorded snapshot 2026-09-02.
For a tapered bearing, total assembly width T, inner-ring width B and outer-ring width C are different measurements. Keep the complete cup/cone or matched assembly designation; do not replace T with B when checking available axial space.
Bearing and component measurements
| Measurement | Source symbol | Recorded value |
|---|---|---|
| Bore diameter | d | 100 mm |
| Outside diameter | D | 215 mm |
| Total width / height | T | 51.5 mm |
| Inner-ring width | B | 47 mm |
| Outer-ring width | C | 39 mm |
Catalogue parameters for 30320
Choose the complete brand and marking before reading a value. These source-labelled records add dimensions, construction and engineering properties where they were recorded; a shared model number does not establish interchangeability.
Units, ranges and minimum/maximum qualifiers are retained. The data is a dated catalogue reference, not a certified drawing, a complete current specification or an operating approval.
KOYO 30320 — 25 recorded parameters
Tapered roller bearing
Reference: JTEKT / Koyo catalogue; source snapshot 2026-09-02.
Keep total assembly width distinct from inner- and outer-ring widths. The same nominal bore does not establish a matching cup/cone set.
Values shown are retained from the recorded source. Zero boundary dimensions and zero load ratings from incomplete legacy feeds are withheld rather than presented as usable specifications.
Technical Data
| Parameter | Source symbol | Recorded value |
|---|---|---|
| d | Not separately recorded | 100 mm |
| D | Not separately recorded | 215 mm |
| T | Not separately recorded | 51.5 mm |
| B | Not separately recorded | 47 mm |
| C | Not separately recorded | 39 mm |
| R(Min.) | Not separately recorded | 4 mm |
| R1(Min.) | Not separately recorded | 3 mm |
| Basic Load Ratings : Cr | Not separately recorded | 430 kN |
| Basic Load Ratings : C0R | Not separately recorded | 400 kN |
| Fatigue Load Limit : Cu | Not separately recorded | 52.5 kN |
| Limiting Speeds(Grease Lub.) | Not separately recorded | 1800 min-1 |
| Limiting Speeds(Oil Lub.) | Not separately recorded | 2400 min-1 |
| Load Center Spread : A | Not separately recorded | 41.4 mm |
| Constant E | Not separately recorded | 0.35 |
| Axial Load Factors : Y1 | Not separately recorded | 1.73 |
| Axial Load Factors : Y0 | Not separately recorded | 0.95 |
| Da(Min.) | Not separately recorded | 184 mm |
| Db(Max.) | Not separately recorded | 127 mm |
| Da(Max.) | Not separately recorded | 201 mm |
| Db(Min.) | Not separately recorded | 200 mm |
| Sa(Min.) | Not separately recorded | 6 mm |
| Sb(Min.) | Not separately recorded | 12.5 mm |
| Ra(Max.) | Not separately recorded | 3 mm |
| Rb(Max.) | Not separately recorded | 2.5 mm |
| Mass(Refer.) | Not separately recorded | 7.76 kg |
SKF 30320 — 50 recorded parameters
Single row tapered roller bearing
Reference: SKF product catalogue; source snapshot 2026-09-02.
Keep total assembly width distinct from inner- and outer-ring widths. The same nominal bore does not establish a matching cup/cone set.
Values shown are retained from the recorded source. Zero boundary dimensions and zero load ratings from incomplete legacy feeds are withheld rather than presented as usable specifications.
Dimensions
| Parameter | Source symbol | Recorded value |
|---|---|---|
| Bore diameter | Not separately recorded | 100.0 mm |
| Outside diameter | Not separately recorded | 215.0 mm |
| Width, total | Not separately recorded | 51.5 mm |
| Width, inner ring | Not separately recorded | 47.0 mm |
| Width, outer ring | Not separately recorded | 39.0 mm |
| Contact angle | Not separately recorded | 13.0 ° |
Performance
| Parameter | Source symbol | Recorded value |
|---|---|---|
| Basic dynamic load rating | Not separately recorded | 431.0 kN |
| Basic static load rating | Not separately recorded | 490.0 kN |
| Reference speed | Not separately recorded | 2400.0 r/min |
| Limiting speed | Not separately recorded | 3200.0 r/min |
Properties
| Parameter | Source symbol | Recorded value |
|---|---|---|
| Bearing part | Not separately recorded | Complete bearing |
| Number of rows | Not separately recorded | 1 |
| Locating feature, bearing outer ring | Not separately recorded | Without |
| Bore type | Not separately recorded | Cylindrical |
| Cage | Not separately recorded | Sheet metal |
| Arrangement of contact angle (double-row bearing) | Not separately recorded | Not applicable |
| Matched arrangement | Not separately recorded | No |
| Coating | Not separately recorded | Without |
| Sealing | Not separately recorded | Without |
| Relubrication feature | Not separately recorded | Without |
| Unit system | Not separately recorded | Metric |
| Indicative carbon footprint for new product | Not separately recorded | 29.4 kg CO 2 e |
Logistics
| Parameter | Source symbol | Recorded value |
|---|---|---|
| Product net weight | Not separately recorded | 7.95 kg |
Engineering — Engineering specifications
| Parameter | Source symbol | Recorded value |
|---|---|---|
| Dimension series | Not separately recorded | 2GB |
Engineering — Dimensions
| Parameter | Source symbol | Recorded value |
|---|---|---|
| Bore diameter | d | 100 mm |
| Outside diameter | D | 215 mm |
| Bearing width, total | T | 51.5 mm |
| Shoulder diameter of inner ring | d 1 | ≈ 149.35 mm |
| Width of inner ring | B | 47 mm |
| Width of outer ring | C | 39 mm |
| Chamfer dimension of inner ring | r 1,2 | min. 4 mm |
| Chamfer dimension of outer ring | r 3,4 | min. 3 mm |
| Distance side face to pressure point | a | 40.161 mm |
Engineering — Abutment dimensions
| Parameter | Source symbol | Recorded value |
|---|---|---|
| Diameter of shaft abutment | d a | max. 128 mm |
| Diameter of shaft abutment | d b | min. 116 mm |
| Diameter of housing abutment | D a | min. 184 mm |
| Diameter of housing abutment | D a | max. 202 mm |
| Diameter of housing abutment | D b | min. 197 mm |
| Minimum width of space required in housing on large side face | C a | min. 6 mm |
| Minimum width of space required in housing on small side face | C b | min. 12.5 mm |
| Radius of shaft fillet | r a | max. 4 mm |
| Radius of housing fillet | r b | max. 3 mm |
Engineering — Calculation data
| Parameter | Source symbol | Recorded value |
|---|---|---|
| Basic dynamic load rating | C | 431 kN |
| Basic static load rating | C 0 | 490 kN |
| Fatigue load limit | P u | 53 kN |
| Reference speed | Not separately recorded | 2400 r/min |
| Limiting speed | Not separately recorded | 3200 r/min |
| Limiting value | e | 0.35 |
| Calculation factor | Y | 1.7 |
| Calculation factor | Y 0 | 0.9 |
No recorded variant matches these filters. Clear a filter to see other records; no substitute has been inferred.
| Brand / full designation | Named dimensions (mm / in) | Dynamic C (kN) | Static C0 (kN) | Reference speed (rpm) | Limiting speed (rpm) | Mass (kg / g) |
|---|---|---|---|---|---|---|
| SKF30320Single row tapered roller bearing |
| 431 kN | 490 kN | 2400 rpm | 3200 rpm | 7.95 kg7950 g |
| TIMKEN30320Tapered roller bearing |
| 531 kN | 579 kN | — | — | 8.37 kg8370 g |
| KOYO30320Tapered roller bearing |
| 430 kN | 400 kN | — | 1800 rpmLimiting Speeds(Grease Lub.): 1800 min-1Limiting Speeds(Oil Lub.): 2400 min-1 | 7.76 kg7760 g |
| FAG30320-ATapered roller bearing |
| 410 kN | 500 kN | 2750 rpm | 3400 rpm | 8.16 kg8160 g |
| FAG30320-A>ATapered roller bearing |
| 410 kN | 500 kN | 2750 rpm | 3400 rpm | 8.2 kg8200 g |
| FAG30320-HTapered roller bearing |
| 390 kN | 500 kN | 2750 rpm | 2720 rpm | 8.3 kg8300 g |
| FAG30320-XLTapered roller bearing |
| 520 kN | 510 kN | 2700 rpm | 4100 rpm | 8.3 kg8300 g |
| KOYO30320DTapered roller bearing |
| 397 kN | 374 kN | — | 1500 rpmLimiting Speeds(Grease Lub.): 1500 min-1Limiting Speeds(Oil Lub.): 2100 min-1 | 8.02 kg8020 g |
| KOYO30320JRTapered roller bearing |
| 528 kN | 521 kN | — | 1800 rpmLimiting Speeds(Grease Lub.): 1800 min-1Limiting Speeds(Oil Lub.): 2400 min-1 | 8.49 kg8490 g |
Compare recorded seals, clearance, precision and materials
Manufacturer wording is retained. A missing property is not inferred from another brand or a similar suffix.
| Brand / designation | Closure | Original precision | Clearance | Cage | Material | Lubricant |
|---|---|---|---|---|---|---|
| SKF 30320 | Without | Not recorded | Not recorded | Sheet metal | Not recorded | None |
| TIMKEN 30320 | Open | ABMA Class K | Not recorded | Steel cage | Not recorded | Not recorded |
| KOYO 30320 | Not recorded | Not recorded | Not recorded | Not recorded | Not recorded | Not recorded |
| FAG 30320-A | Not recorded | PN — Normal (ISO 492:2023) | Not recorded | Standard — Sheet steel cage, window cage, roller-guided | Not recorded | Not recorded |
| FAG 30320-A>A | Not recorded | Not recorded | Not recorded | Not recorded | Not recorded | Not recorded |
| FAG 30320-H | Not recorded | PN — Normal (ISO 492:2023) | Not recorded | Standard — Sheet steel cage, window cage, roller-guided | Not recorded | Not recorded |
| FAG 30320-XL | Not recorded | PN — Normal (ISO 492:2023) | Not recorded | Standard — Sheet steel cage, window cage, roller-guided | Not recorded | Not recorded |
| KOYO 30320D | Not recorded | Not recorded | Not recorded | Not recorded | Not recorded | Not recorded |
| KOYO 30320JR | Not recorded | Not recorded | Not recorded | Not recorded | Not recorded | Not recorded |
How to compare these values
- Use the displayed dimension names and original symbols. Housing length L, height H2 and flange width are not bearing outside diameter D. A catalogue width with an unverified symbol must not be assumed to be inner-ring width B or assembly width T. Open the product record for mounting dimensions and geometry.
- Inch values are calculated from the recorded millimetres using 25.4 mm per inch, rounded to six decimal places. They do not change a metric bearing into an inch-series bearing. Gram values are converted from the recorded mass in kilograms.
- C and C0 describe different rating conditions. They are not a single safe working-load limit and cannot replace an application load calculation.
- Reference and limiting speeds are separate catalogue values. The source grease/oil context is shown where recorded. Lubricant, seals, loads, fit, clearance and cooling affect the usable operating speed.
- A common base number does not prove equivalent seals, clearance, precision, material or interchangeability. Open the full designation for these fields.
Related prefix matches — other model numbers may appear
These discovery results can contain a longer number or a different component. They are not specifications for the requested exact model. Open the complete product to inspect its original geometry.
30320
Tapered roller bearing
View full technical record →KOYO30320
Tapered roller bearing
View full technical record →SKF30320
Single row tapered roller bearing
View full technical record →FAG30320-A
Tapered roller bearing
View full technical record →FAG30320-A>A
Tapered roller bearing
View full technical record →KOYO30320D
Tapered roller bearing
View full technical record →FAG30320-H
Tapered roller bearing
View full technical record →KOYO30320JR
Tapered roller bearing
View full technical record →FAG30320-XL
Tapered roller bearing
View full technical record →Check the drawing before substituting
Nominal dimensions are not shaft-fit tolerances. Different variants can add grooves, flanges, wider rings or assembly components. When the table has different dimensions, the complete designation—not the shared prefix—controls.
Reference basis & data limits
Manufacturer terminology is retained in the product records. Technical reference basis: JTEKT Basic Bearing Knowledge (boundary dimensions, tolerance classes and lubrication); NSK Bearing ABCs (lubrication, designations and clearance); NTN technical FAQs (closure codes and component interchange); SKF rolling-bearing selection and maintenance references.
Selection workflows and catalogue grouping are BearingScope editorial aids. Verify the current drawing and application requirements before using a candidate. Missing database information is not converted into an assumed match.